Technical Specification

Transcription

1 1 Power and Energy Group Deputy Vice President, Generation November 25, 2014 Our Ref: The Israel Electric Corporation Ltd. Generation Division Revision no: 1 Issued date Page 1 of Specification No /2014 Gas Turbine Air Filter Elements Gas Turbine Air Filter Elements Technical Specification Revision: 1/2014 Date: 11/2014 Prepared By: Approved By: Mr. A. Greenberg Mr. Y. Sheinblat Mr. A Shahar Mr. O. Weiss Mr. V. Litinietski Mr. A. Zilberberg

2 2 Gas Turbine Air Filter Elements Technical Specification 1. General Description Request to quote for GE Frame 9E, 9FA & 6B inlet cylindrical and conical air filter and SIEMENS SGT5-2000E cylindrical only, air filter Gas Turbine elements according to this specification. The filter elements are installed in Donaldson TTD and GDX type of gas turbine inlet air filter house. IEC Cat. No cylindrical TTD and GDX filter house installation. IEC Cat. No conical - GDX installation. The operation modes of the gas turbine where the requested air filters will be installed are varying from peaking to continuous. The purchase order will be given to one supplier for the 2 items 2. General Requirements 2.1 The purchase procedure includes 2 stages. During the technical stage (first stage), the supplier will submit all documents according to requirements in this specifications (table 2 and 3), for review by IEC. 2.2 The air filter elements will be manufactured and tested according to the standards specified in this specification. Other standards to which IEC is not obligated to agree - will be submitted for evaluation during the technical stage (first stage). 2.3 The supplier will include in his technical proposal, dimension sketch for conical and cylindrical air filter element. 2.4 The air filter elements will be manufactured in factory which holds ISO-9001 or other quality assurance management standard. 2.5 Together with his technical proposal, the supplier will submit reports of filter performance inspections conducted by a certified laboratory for filter elements which operated at least 8,000 working hours.

3 3 2.6 By participating in this tender, the bidder agrees to commence his technical qualification process to become a certified IEC supplier. This process must be completed by the time of completion of this tender. 2.7 The supplier will allow an IEC representative to visit his factory. 2.8 The supplier will submit his recommendation for best preservation mode to the air filter at IEC warehouse and will include the average life time in that state. 2.9 The air filter will be installed in TTD & GDX type filter house and will be serving GT unit that accrues low operational hours, supplier will submit air filter average life time in that condition The cylindrical - conical air filter set IEC cat will be manufactured from the same media type and will have same characteristics like it was manufactured in one piece. This set will be installed in GDX air filter house type. 3. Applicable standards 3.1 :2012. Particulate air filters for general ventilation Determination of the filter performance. Supersedes : Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size. 3.3 EN 20811:1992. Textiles - Determination of resistance to water penetration - Hydrostatic pressure test. 3.4 DIN Testing of combustible materials; reaction to a flame of a burner; edge and surface flame action.

4 4. Technical Requirements 4 Table 2: Spec No.1 Cylindrical, Pulse-cleaning Cartridges Data Sheet No Parameter Standard Value Notes Agriculture, Light 1 Environment Not Applicable industrial () Inland, km off sea cost 2 Filter element dimension OD 324 mm, ID 212 's mm, L 660mm s 3 Filter Type Pulse cleaning 4 Number of elements per GT unit 5 Filter element configuration 6 Filter Media 7 Filter Class To be supplied by the filter manufacturer Vertical, separate elements synthetic or blend with minimum 20 % synthetic F9 MERV 15 8 Design (rated) air flow 1000 m3/h 9 Initial (new) dp at design (rated) flow 200Pa (max) 10 Min Allowable dp 200 Pa (min) Dust Holding Capacity at the recommended final dp (min) Strength of the filter media: - Tensile (wet, dry) - Mullen burst To be supplied by the filter manufacturer 1000g 13 Water Repellence (min) EN Pa Filter structural design Info about : Liners, End Caps, Pleat tips/pleat-to- Caps Bonding, Gaskets, Pleat Spacers etc. Allowable Temperature/humidity (min) Item 5 Suitable to operation mode, environment, life cycle TTD installation In service At least 3-5 years 70C/100% 16 Flammability class DIN K1/F1 17 Media loading type: Surface/Depth 18 Media electrostatic charge Surface no General information only 's s 's s 's s 's s 's s 's s ~ 2 year operation

5 Table 3: Spec No.2 Cylindrical +conical, Pulse-cleaning Cartridges Data Sheet No. Parameter Standard Value Notes 1 Description GDX horizontal, Inland. General info 2 Filter Type Pulse 3 Filter element configuration Cylindrical + Conical 4 Filter element dimensions 5 Filter Media 6 Filter Class 5 To be supplied by the filter manufacturer For Cylindrical see table2, Conical: L 660mm; OD 445/324 mm, ID 333/212 mm synthetic or blend with minimum 20 % synthetic F9 MERV 15 sketch test reports 7 Design flow 2530 m3/h Per cyl/con set 8 Initial (new) dp at design 300Pa (max) flow 9 Min Allowable dp 200 Pa (min) Equal to alarm dp ~ 2 year operation - 10 Dust Holding Capacity at the see gen. notes 2650g (min) recommended final dp 11 Strength of the filter media: - Tensile (wet, dry) - Mullen burst To be supplied by the filter manufacturer 12 Water Repellence (min) EN Pa Filter structural design Info about 13 Liners, End Caps, Pleat tips/pleat-to-caps Bonding,, Item 5 Gaskets, Pleat Spacers etc. 14 Allowable Temperature/humidity (min) Suitable to operation mode, environment, life cycle Supplied by the filter manufacturer if 70C/100% 15 Flammability class DIN K1/F1 16 Media loading: Surface/Depth 17 Media electrostatic charge 's Selfextinguishing Surface Media (it.9) no Media (it.9)

6 6 4.1 Additional technical requirements The filters are expected at least for life time of 16,000 operation hours Design & Materials The filter element shall be designed so that when correctly mounted in the filter house, no leak occurs along the sealing edge The filter element shall be made of suitable material to withstand normal usage and exposures to those temperatures, humidity and corrosive environments that are likely to be encountered The filter element shall be designed so that it will withstand mechanical constraints that are likely to be encountered during normal use The media strength will be suitable to Base Load mode, ambient temperature from 0 to 45C, relative humidity from 10 to 100%, life cycle See requested data in Table 3 below Dust or fibers released from the filter media by the air flow through the filter element shall not constitute a hazard or nuisance for the people (or devices) exposed to filtered air The filter media and filter parts (end caps, gaskets, bonding material) shall provide the required (reasonable) oil, acid, alkali, hydrolysis resistance according to the operational environment. Steel parts must at the least be galvanized Pleat/end cap and gasket/end cap bonding ensures no air bypass from the dirt to clean side of the filter elements. 5. Data and documents to be supplied by the bidder. The bidder is kindly requested to fill the data in table 4 and to submit the below requested information and documents for stage 1 of the purchase procedure.

7 7 Table 4 No. Parameter Standard Value/Description 1 Recommended final dp in excess to initial dp (note 1) 2 Strength of the air filter media: - Tensile (wet, dry) - Mullen burst 3 Air filter structural design Info about Liners, End Caps, Pleat tips/pleatto-caps Bonding, Gaskets, Pleat Spacers etc. 4 Air filter maximum recommended shelf life while in storage 5 Air filter maximum recommended life while installed in the GT To be defined by the Supplier, Item 5 EN1822, items 6.1, 6.2 Supplier Data Supplier Data Supplier Data Supplier Data Note 1: The dp at which rapid increase of the filter resistance begins 51 Firm and formal statement that the proposed product fit to all the requirements as were defined in the technical requirements chapter (table 2 and the additional requirements). 5.2 s and drawings (including tolerances) that will support the above mentioned statements. The following information (among others) shall be provided for each filter element type: Filtration area (m2); Number of pleats; Pleats depth; Gasket height and location diameter Filter media type manufacturing standard. 5.3 Description of the company laboratory capabilities, including formal approvals. 5.4 Name and details of authorized external "third party" laboratories that will perform tests as required in this bid.

8 8 5.5 Test reports. The supplier will submit the following test reports for the air filter elements Filter Class Max. initial (new) dp at the design flow Strength of the media filter: Tensile (wet & dry) and Mullen burst Water repellence. Raw material for the air filter will be tested The supplier will submit a price offer of a laboratory test for a single filter. The price will include transportation cost. IEC will have the privilege to send up to 12 filters from every set supplied under the agreement. For price comparison the price of testing is 6 for each set, i.e 120 filters will be taken. 5.6 General notes for the above mentioned tests: The tests will be done by a third party laboratory The tests will be according to the standards specified in table 2 above For the relevant inspections, if the required design flow rate cannot be provided with the test device, then the test conditions shall be agreed in advance The quantity of tested samples will be according to the supplier quality assurance manual and procedures. The samples will be taken from the batch that includes IEC actual productions. The supplier will inform IEC two weeks before the tests in order IEC would be able to witness the tests The reports will be sent to IEC before delivery of the products. The supplier must have IEC approval before the delivery In order to minimize conflicts and lack of communication, the supplier will submit with his proposal, for stage 1, sample reports from previous similar productions. 5.7 The supplier recommendation for best preservation procedure of the air filters at IEC warehouse. 5.8 General description of the company, manufacturing sites and facilities. 5.9 Quality assurance manual and list of standards that are implemented by the company The filters will be supplied wrapped in sealed plastic, inside cardboard box, topped on wooden pallets placed inside the shipping containers which will be returned to the supplier up to 6 months after assembly of the filters.